Description
The Auxiliary and Alarm Contacts Series is designed to effectively control the auxiliary circuits of MCCBs, facilitating automatic functioning and monitoring of electrical circuits and equipment. This innovative solution ensures dependable operation under various conditions, enabling enhanced safety and performance.
These contacts come in various configurations to meet diverse operational needs:
- 1N/O and 1N/C + 1 alarm contact
- 2N/O and 2N/C + 1 alarm contact
Ideal for applications where circuit integrity and monitoring are crucial, the Auxiliary and Alarm Contacts Series is the perfect addition for both industrial and commercial electrical systems.
Specifications
| Model | Configuration | Alarm Contacts |
|---|---|---|
| CM1-63FB | CM1, TM30(NF30) | CDM1-63A |
| CM1-100FB | CM1, TM30(NF30) | CDM1-100A |
| CM1-225FB | CM1, TM30(NF30) | CDM1-225A |
| CM1-400FB | CM1, TM30(NF30) | CDM1-400 |
| DAM1-250/400FB | DAM1(ABB)-250A, 400A | |
| DZ20-100FB | DZ20-100A | |
| DZ20-225FC | DZ20-225A |
Additional Information
**Wiring Diagram:**
| State of MCCB | State of Alarm Contacts | Diagram of Wiring |
|---|---|---|
| Close Position | ![]() |
![]() Explanation: Us1 is auxiliary power, Us2 is alarm power |
| Open Position | ![]() |
![]() Explanation: Us1 is auxiliary power, Us2 is alarm power |



